The Beer Off-Flavor Series: Acetaldehyde

This is part 1 in The Beer Off-Flavor Series by Drew Beechum. * * * Acetaldehyde is a compound formed during fermentation as a precursor to alcohol. It’s also a very common off-flavor in beer! While it’s acceptable in subtle levels in some styles of beers (e.g.. American light lager), brewers typically set out to […]

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